1961 Thompson Bros. Boat Mfg. Co. Sea Lancer:

1964 T & T Boats, Inc. Ripple - upside down:

1955 Cruisers, Inc. - upside down:

1958 Thompson Bros. Boat Mfg. Co. Peshtigo serial number/builder's plate:

same 1958 Thompson Bros. Boat Mfg. Co. Peshtigo OffShore with a state of Washington created hull ID. This was NOT an ID created by the boat buider:

Andreas